From ad12b8a0b192b6e5979abaef99c90256ce3a2876 Mon Sep 17 00:00:00 2001 From: Reid Kleckner Date: Tue, 11 Jul 2017 16:18:05 +0000 Subject: [PATCH] Add missing dllimport member pointer template argument test from r307446 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307670 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGenCXX/dllimport-memptr-global.cpp | 58 +++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 test/CodeGenCXX/dllimport-memptr-global.cpp diff --git a/test/CodeGenCXX/dllimport-memptr-global.cpp b/test/CodeGenCXX/dllimport-memptr-global.cpp new file mode 100644 index 0000000000..e64537b8b9 --- /dev/null +++ b/test/CodeGenCXX/dllimport-memptr-global.cpp @@ -0,0 +1,58 @@ +// Also check that -Wglobal-constructors does the right thing. Strictly +// speaking, this is a Sema test, but this avoids test case duplication. +// RUN: %clang_cc1 -Wglobal-constructors %s -verify -triple i686-windows-msvc -fms-extensions -std=c++11 +// +// RUN: %clang_cc1 %s -emit-llvm -o - -triple i686-windows-msvc -fms-extensions -std=c++11 | FileCheck %s + +struct __declspec(dllimport) Single { + void nonvirt(); + virtual void virt(); +}; + +struct A { int a; }; +struct B { int b; }; +struct __declspec(dllimport) Multi : A, B { + void nonvirt(); + virtual void virt(); +}; + +struct __declspec(dllimport) Virtual : virtual A { + void nonvirt(); + virtual void virt(); +}; + +struct General; +static_assert(sizeof(void (General::*)()) == 16, "force general memptr model"); +struct __declspec(dllimport) General { + void nonvirt(); + virtual void virt(); +}; + +auto mp_single_nv = &Single::nonvirt; // expected-warning {{global constructor}} +auto mp_multi_nv = &Multi::nonvirt; // expected-warning {{global constructor}} +auto mp_virtual_nv = &Virtual::nonvirt; // expected-warning {{global constructor}} +auto mp_general_nv = &General::nonvirt; // expected-warning {{global constructor}} + +auto mp_single_v = &Single::virt; +auto mp_multi_v = &Multi::virt; +auto mp_virtual_v = &Virtual::virt; +auto mp_general_v = &General::virt; + +// All of the non-virtual globals need dynamic initializers. + +// CHECK: @"\01?mp_single_nv@@3P8Single@@AEXXZQ1@" = global i8* null, align 4 +// CHECK: @"\01?mp_multi_nv@@3P8Multi@@AEXXZQ1@" = global { i8*, i32 } zeroinitializer, align 4 +// CHECK: @"\01?mp_virtual_nv@@3P8Virtual@@AEXXZQ1@" = global { i8*, i32, i32 } zeroinitializer, align 4 +// CHECK: @"\01?mp_general_nv@@3P8General@@AEXXZQ1@" = global { i8*, i32, i32, i32 } zeroinitializer, align 4 + +// CHECK: @"\01?mp_single_v@@3P8Single@@AEXXZQ1@" = global i8* bitcast (void (%struct.Single*, ...)* @"\01??_9Single@@$BA@AE" to i8*), align 4 +// CHECK: @"\01?mp_multi_v@@3P8Multi@@AEXXZQ1@" = global { i8*, i32 } { i8* bitcast (void (%struct.Multi*, ...)* @"\01??_9Multi@@$BA@AE" to i8*), i32 0 }, align 4 +// CHECK: @"\01?mp_virtual_v@@3P8Virtual@@AEXXZQ1@" = global { i8*, i32, i32 } { i8* bitcast (void (%struct.Virtual*, ...)* @"\01??_9Virtual@@$BA@AE" to i8*), i32 0, i32 0 }, align 4 +// CHECK: @"\01?mp_general_v@@3P8General@@AEXXZQ1@" = global { i8*, i32, i32, i32 } { i8* bitcast (void (%struct.General*, ...)* @"\01??_9General@@$BA@AE" to i8*), i32 0, i32 0, i32 0 }, align 4 + +// CHECK: define internal void @_GLOBAL__sub_I{{.*}}() {{.*}} { +// CHECK: call void @"\01??__Emp_single_nv@@YAXXZ"() +// CHECK: call void @"\01??__Emp_multi_nv@@YAXXZ"() +// CHECK: call void @"\01??__Emp_virtual_nv@@YAXXZ"() +// CHECK: call void @"\01??__Emp_general_nv@@YAXXZ"() +// CHECK: } -- 2.40.0